Who has been buying Korea Cast Iron Pipe Industry stock?

2 distinct insiders have filed 69 disclosed insider purchases in Korea Cast Iron Pipe Industry (000970), most recently on 2026-06-02. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Korea Cast Iron Pipe Industry have?

Korea Cast Iron Pipe Industry has 69 buy-side and 3 sell-side disclosures on record, covering ₩9.9B ($6.8M) in total reported value, spanning 2014-09-01 to 2026-06-02.

Where does StockDrifts get Korea Cast Iron Pipe Industry insider data?

From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Korea Cast Iron Pipe Industry 000970

Company

한국주철관공업Korea Cast Iron Pipe Industry

Insiders

Buys

Total Value

₩9.9B ($6.8M)

Avg Return

+2.36%

Last Filing

2026-06-02

Korea Cast Iron Pipe Industry (000970) has 69 disclosed insider purchases and 3 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩9.9B ($6.8M) in reported transaction value. The earliest filing StockDrifts holds for Korea Cast Iron Pipe Industry is dated 2014-09-01; the most recent is 2026-06-02. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is +2.36%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-06-02	BUY	Market Buy	김태형 Taehyung Kim	CEO	10.3K	₩6,600	+0.0%	₩68M ($47K)
2026-06-01	BUY	Market Buy	김태형 Taehyung Kim	CEO	23.5K	₩6,570	+0.5%	₩154M ($107K)
2026-05-29	BUY	Market Buy	김태형 Taehyung Kim	CEO	17.3K	₩6,700	-1.5%	₩116M ($80K)
2026-05-28	BUY	Market Buy	김태형 Taehyung Kim	CEO	17.3K	₩6,700	-1.5%	₩116M ($80K)
2026-05-27	BUY	Market Buy	김태형 Taehyung Kim	CEO	49	₩6,840	-3.5%	₩335K ($233)
2026-05-26	BUY	Market Buy	김태형 Taehyung Kim	CEO	14.6K	₩6,850	-2.2%	₩100M ($69K)
2026-05-22	BUY	Market Buy	김태형 Taehyung Kim	CEO	16.0K	₩6,880	-2.6%	₩110M ($76K)
2026-05-21	BUY	Market Buy	김태형 Taehyung Kim	CEO	10.5K	₩6,830	-1.9%	₩72M ($50K)
2026-05-20	BUY	Market Buy	김태형 Taehyung Kim	CEO	13.0K	₩6,720	-0.3%	₩88M ($61K)
2026-05-19	BUY	Market Buy	김태형 Taehyung Kim	CEO	6.2K	₩6,840	+0.6%	₩42M ($29K)
2026-05-18	BUY	Market Buy	김태형 Taehyung Kim	CEO	6.0K	₩6,840	+0.6%	₩41M ($29K)
2026-05-15	BUY	Market Buy	김태형 Taehyung Kim	CEO	9.0K	₩7,090	-3.0%	₩64M ($44K)
2026-05-14	BUY	Market Buy	김태형 Taehyung Kim	CEO	13.5K	₩6,970	-1.3%	₩94M ($65K)
2026-05-13	BUY	Market Buy	김태형 Taehyung Kim	CEO	16.6K	₩6,870	+0.1%	₩114M ($79K)
2026-05-12	BUY	Market Buy	김태형 Taehyung Kim	CEO	1.5K	₩6,900	+2.8%	₩10M ($7K)
2026-05-11	BUY	Market Buy	김태형 Taehyung Kim	CEO	1.5K	₩7,030	+0.8%	₩11M ($8K)
2026-05-08	BUY	Market Buy	김태형 Taehyung Kim	CEO	141	₩7,170	-1.1%	₩1M ($702)
2026-04-27	BUY	Market Buy	김태형 Taehyung Kim	CEO	2.6K	₩7,320	+0.6%	₩19M ($13K)
2026-04-24	BUY	Market Buy	김태형 Taehyung Kim	CEO	14.0K	₩7,240	+1.7%	₩101M ($70K)
2026-04-21	BUY	Market Buy	김태형 Taehyung Kim	CEO	4.4K	₩7,120	+1.7%	₩31M ($22K)
2026-04-16	BUY	Market Buy	김태형 Taehyung Kim	CEO	2.0K	₩7,170	+1.0%	₩14M ($10K)
2026-03-27	BUY	신규선임	박이진 Park Lee Jin	thanks	23.6K	₩6,750	+0.0%	₩160M ($111K)
2025-11-26	BUY	Market Buy	마천캐스트 Macheon Cast	-	45.0K	₩7,240	-1.1%	₩326M ($226K)
2025-11-24	BUY	Market Buy	마천캐스트 Macheon Cast	-	9.0K	₩7,250	-1.2%	₩65M ($45K)
2025-11-21	BUY	Market Buy	마천캐스트 Macheon Cast	-	20.0K	₩7,200	-0.6%	₩144M ($100K)
2025-11-20	BUY	Market Buy	마천캐스트 Macheon Cast	-	25.0K	₩7,240	-1.1%	₩181M ($126K)
2025-11-19	BUY	Market Buy	마천캐스트 Macheon Cast	-	25.0K	₩7,140	+0.3%	₩179M ($124K)
2025-11-13	BUY	Market Buy	마천캐스트 Macheon Cast	-	7.0K	₩7,050	+1.6%	₩49M ($34K)
2025-11-12	BUY	Market Buy	마천캐스트 Macheon Cast	-	9.0K	₩7,050	+1.6%	₩63M ($44K)
2025-11-11	BUY	Market Buy	마천캐스트 Macheon Cast	-	2.0K	₩6,930	+3.3%	₩14M ($10K)
2025-11-10	BUY	Market Buy	마천캐스트 Macheon Cast	-	3.0K	₩6,900	+3.8%	₩21M ($14K)
2025-11-07	BUY	Market Buy	마천캐스트 Macheon Cast	-	19.0K	₩6,740	+6.2%	₩128M ($89K)
2025-11-06	BUY	Market Buy	마천캐스트 Macheon Cast	-	6.0K	₩6,680	+7.2%	₩40M ($28K)
2025-11-05	BUY	Market Buy	마천캐스트 Macheon Cast	-	30.0K	₩6,650	+7.7%	₩200M ($139K)
2025-09-26	BUY	Market Buy	마천캐스트 Macheon Cast	-	20.0K	₩6,880	+4.1%	₩138M ($96K)
2025-09-25	BUY	Market Buy	마천캐스트 Macheon Cast	-	35.8K	₩6,920	+3.5%	₩248M ($172K)
2025-09-24	BUY	Market Buy	마천캐스트 Macheon Cast	-	12.8K	₩6,940	+3.2%	₩88M ($61K)
2025-09-23	BUY	Market Buy	마천캐스트 Macheon Cast	-	12.2K	₩7,010	+2.1%	₩86M ($60K)
2025-09-22	BUY	Market Buy	마천캐스트 Macheon Cast	-	6.0K	₩6,950	+3.0%	₩42M ($29K)
2025-09-19	BUY	Market Buy	마천캐스트 Macheon Cast	-	21.5K	₩6,950	+3.0%	₩149M ($104K)
2025-09-18	BUY	Market Buy	마천캐스트 Macheon Cast	-	7.6K	₩7,020	+2.0%	₩53M ($37K)
2025-09-17	BUY	Market Buy	마천캐스트 Macheon Cast	-	6.4K	₩6,990	+2.4%	₩45M ($31K)
2025-09-16	BUY	Market Buy	마천캐스트 Macheon Cast	-	10.0K	₩7,030	+1.9%	₩70M ($49K)
2025-09-15	BUY	Market Buy	마천캐스트 Macheon Cast	-	10.0K	₩7,050	+1.6%	₩71M ($49K)
2025-09-12	BUY	Market Buy	마천캐스트 Macheon Cast	-	9.0K	₩7,050	+1.6%	₩63M ($44K)
2025-09-11	BUY	Market Buy	마천캐스트 Macheon Cast	-	6.0K	₩7,100	+0.8%	₩43M ($30K)
2025-09-10	BUY	Market Buy	마천캐스트 Macheon Cast	-	10.0K	₩7,090	+1.0%	₩71M ($49K)
2025-09-09	BUY	Market Buy	마천캐스트 Macheon Cast	-	15.2K	₩7,110	+0.7%	₩108M ($75K)
2025-09-08	BUY	Market Buy	마천캐스트 Macheon Cast	-	2.0K	₩7,050	+1.6%	₩14M ($10K)
2025-09-05	BUY	Market Buy	마천캐스트 Macheon Cast	-	18.0K	₩7,040	+1.7%	₩127M ($88K)

Showing the 50 most recent of 74 filings.

Frequently asked questions

Who has been buying Korea Cast Iron Pipe Industry stock?: 2 distinct insiders have filed 69 disclosed insider purchases in Korea Cast Iron Pipe Industry (000970), most recently on 2026-06-02. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Korea Cast Iron Pipe Industry have?: Korea Cast Iron Pipe Industry has 69 buy-side and 3 sell-side disclosures on record, covering ₩9.9B ($6.8M) in total reported value, spanning 2014-09-01 to 2026-06-02.
Where does StockDrifts get Korea Cast Iron Pipe Industry insider data?: From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for Korea Cast Iron Pipe Industry. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.